/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.roytrack.netty.http10_1;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.SslProvider;
import io.netty.handler.ssl.util.SelfSignedCertificate;

public final class HttpStaticFileServer {

  static final boolean SSL = System.getProperty("ssl") != null;
  static final int PORT = Integer.parseInt(System.getProperty("port", SSL ? "8443" : "8080"));

  public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {
      SelfSignedCertificate ssc = new SelfSignedCertificate();
      sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
              .sslProvider(SslProvider.JDK).build();
    } else {
      sslCtx = null;
    }

    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
      ServerBootstrap b = new ServerBootstrap();
      b.group(bossGroup, workerGroup)
              .channel(NioServerSocketChannel.class)
              .handler(new LoggingHandler(LogLevel.INFO))
              .childHandler(new HttpStaticFileServerInitializer(sslCtx));

      Channel ch = b.bind(PORT).sync().channel();

      System.err.println("Open your web browser and navigate to " +
              (SSL ? "https" : "http") + "://127.0.0.1:" + PORT + '/');

      ch.closeFuture().sync();
    } finally {
      bossGroup.shutdownGracefully();
      workerGroup.shutdownGracefully();
    }
  }
}
